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Psychometric properties of the self-rating organization scale with adult samples

Authors Takeda T, Tsuji Y, Ando M

Received 26 July 2016

Accepted for publication 28 September 2016

Published 31 October 2016 Volume 2016:12 Pages 2799—2806

DOI https://doi.org/10.2147/NDT.S118129

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Amy Norman

Peer reviewer comments 2

Editor who approved publication: Dr Taro Kishi


Toshinobu Takeda,1 Yui Tsuji,2 Mizuho Ando3

1Department of Clinical Psychology, Ryukoku University, Kyoto, 2School of Psychological Science, Health Sciences University of Hokkaido, Sapporo, 3Graduate School of Comprehensive Human Sciences, University of Tsukuba, Tsukuba, Japan

Abstract: Organization skills are defined broadly to include both materials and temporal features. Given its symptoms and neurobiological features, attention-deficit hyperactivity disorder (ADHD) should be susceptible to impairment in organization. A valid organization scale is imperative to assess and intervene individuals with ADHD. However, there is no validated organization scale in Japan. Referring to existing scales and clinical experience, the self-rating organization scale (SOS) was developed and tested in terms of its psychometric properties with 1,017 adults and students including 47 adults with ADHD. Additionally, cutoffs for disorganization were set for clinical utility. Three factors (materials disorganization, temporal disorganization, and mess) were extracted by factor analyses. The index for reliability and validity of the SOS was acceptable. The factor “mess” could reflect the unique aspect of the Japanese environment. Further study is needed to enhance the clinical utility of the SOS.

Keywords: adult, attention-deficit hyperactivity disorder, organization, scale

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